This security update includes fixes and quality improvements that are part of the following updates: October 14, 2025—KB 5066791 (OS Builds 19044.6456 and 19045.6456) November 11, 2025—KB5071959: Windows 10, version 22H2 (OS Build 19045.6466) Out-of-band The following is a summary of the issues that this update addresses when you install this update. If there are new features, it lists ...

Learn the reasons why a subscription price might change.

Alpha Skip-Ahead Ring (2509.250901-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update.

Microsoft Outlook automatically groups items by date. However, you can also group items manually by using standard arrangements or by creating your own custom grouping. While you may be most familiar with the default groups in your Inbox, these groups are also applied to other mail folders. The default groups that are displayed in your Inbox include Today, Yesterday, Last Week, Last Month, and ...

Delta Ring (2509.250825-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Delta ring today. Continue reading below to learn all about what's included with this update.

如果您移至新的國家/地區，在購買之前，請確定您的帳單地址和付款選項符合您的新地區。

Alpha Skip-Ahead Ring (2506.250501-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update.

Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

Xbox 免費遊戲日是 Xbox Game Pass Ultimate、進階版和基礎版訂閱者所獨享。 透過 Xbox 免費遊戲日，您可以免費遊玩精選、完整功能的、熱門的遊戲。